Sigma Test and Research Centre : Laboratory Testing,Quality Control,Testing Services
    • Food/Agri Testing

Aflatoxins in Food:

Aflatoxin is the secondary metabolite produced by specific strains of Aspergillums Fungi. These species contaminate various food commodities like peanuts, corn, figs, nuts, cereals, maize, rice, and other oil products. Aflatoxin poses a potential threat to food safety as it is epidemiologically implicated as carcinogen in humans and an environmental contaminant which is widespread in nature, its possible chronic toxicity is therefore of greater concern than acute toxicity. This test aids in indicating the presence of different types of Aflatoxins such as B1, B2, G1 and G2.

Crop Contaminants in Food:

Crop contaminant means any substance not intentionally added to food, but which gets added to articles of food in the process of their production, manufacture, processing, preparation, treatment, packing, packaging, transport or holding of articles of such food as a result of environmental contamination. It includes metal contaminants, toxic residues, insecticides, pesticides etc. This test helps in watching the potential threats present in food commodities.

Naturally Occurring Toxins in Food:

These toxins get accumulated in food products during period of farming. The toxic substance which may occur naturally in any article of food includes agaric acid, hydrocyanic acid, hypericine and Saffrole. This test helps in quantification of these toxins in food stuffs.

Sudan Dye Test:

Sudan I, II, III and IV are industrial dyes normally used for coloring plastics and other synthetic materials. The current food safety framework on colors in food establishes a positive list of colors authorized for use in food to the exclusion of all others. As Sudan dyes are not included in this list, the presence of these dyes in food contravenes with food safety. Sudan dyes have a carcinogenic effect and a potential risk of genotoxicity. Consequently, the fraud identified by adulteration of chili and chili products by Sudan dyes constitutes a risk for public health. This Sudan Dye test helps in combating the food adulteration.

Overall Migration Test:

Overall migration test is done to know about an unacceptable change in the composition of the food by the food contact materials like aqueous stimulants and fatty food stimulants. Overall migration tests are done to monitor the overall migration limit (OML), they have no toxicological meaning, but they give a good indication about the stability of the food contact material towards the filling good. Specific migration tests (SML’s) are performed to check the migration limits.

Nicotine in Food:

Nicotine is one of the most harmful and toxic substances ever discovered. It is highly addictive and harmful to the body. That is why smoking cigarettes and tobaccos is a hard habit to break due to its nicotine content. However, what if it is not only found in cigarettes? What if the vegetables and beverages that we usually eat or drink everyday contain some amounts of nicotine? To keep a check on this nicotine tests are done.

Nicotine in Tobacco:

Nicotine comes primarily from the plant nicotiana tabacum. After oral ingestion of nicotine, signs and symptoms of nicotine poisoning mimic those for nerve agent or organophosphate poisoning and typically include excess oral secretions, bronchorrhea, diaphoresis, vomiting (common, especially among children), diarrhea, abdominal cramping, confusion, and convulsions. Mass spectrometry methods are used to detect nicotine and the nicotine metabolite cotinine in tobacco samples.

Steroids Identification:

Steroids are a large group of compounds found in all animals. Different groups of steroids include corticosteroids, anabolic steroids, androgenic steroids, and estrogenic steroids, progestogenic and anti-inflammatory steroids. Many steroids are used in medicines that are similar to the natural hormone. They affect many body processes, including the breakdown of protein, fat, and carbohydrate; the activity of the nervous system; the balance of salt and water; and the regulation of blood pressure. Because of their widespread effects, these drugs are useful in treating many medical conditions, but they can also have undesirable side effects. Steroid tests helps in calculating the admissible amount in consumables.

Heavy Metals in Food:

Heavy metals present widely in the environment from natural sources and human activities. Some of the heavy metals are cadmium, mercury, arsenic, tin, lead. These metals are dangerous to our health as they tend to accumulate in our food chain. Human, as a top consumer of the food chain, is subject to high risk of heavy metal poisoning. Our Laboratory has accreditation for testing the above heavy metals in general foodstuff.